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refactor payload related futures for HttpRequest

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This commit is contained in:
Nikolay Kim
2018-02-25 20:34:26 +03:00
parent ab5ed27bf1
commit a2b98b31e8
7 changed files with 109 additions and 111 deletions
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10
examples/json/src/main.rs
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@ -34,9 +34,9 @@ fn index(req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
const MAX_SIZE: usize = 262_144; // max payload size is 256k
/// This handler manually load request payload and parse serde json
fn index_manual(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
// readany() returns asynchronous stream of Bytes objects
req.payload_mut().readany()
fn index_manual(req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
// HttpRequest is stream of Bytes objects
req
// `Future::from_err` acts like `?` in that it coerces the error type from
// the future into the final error type
.from_err()
@ -63,8 +63,8 @@ fn index_manual(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Err
}
/// This handler manually load request payload and parse json-rust
fn index_mjsonrust(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
req.payload_mut().readany().concat2()
fn index_mjsonrust(req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
req.concat2()
.from_err()
.and_then(|body| {
// body is loaded, now we can deserialize json-rust